Figure 2: (a) 82-year-old male with semantic PPA: fusion fluorodeoxyglucose positron emission tomography and fluid-attenuated inversion recovery magnetic resonance imaging axials. (b) 82-year-old male with semantic PPA: z-score overlay on cortical surface maps. (c) 82-year-old male with semantic PPA: NeuroQuant morphometric analysis. (d) 82-year-old male with semantic PPA: MIMneuro software z-score output